Bicycle frame



FIG. 1 is a left-side elevation view of a bicycle frame showing my new design;

FIG. 2 is a right-side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a top, rear, and right-side perspective view thereof;

FIG. 8 is a top and right-side perspective view thereof;

FIG. 9 is a top, rear, and left-side perspective view thereof;

FIG. 10 is a partial-enlarged top, rear, and left-side perspective view thereof;

FIG. 11 is a bottom, front, and left-side perspective view thereof; and,

FIG. 12 is a top, front, and left-side perspective view thereof.

In FIG. 10, the phantom broken lines of dash-dot form illustrate a symbolic frame for the portions of the bicycle frame that have been enlarged. The phantom broken lines do not form part of the claimed design. 

CLAIM The ornamental design for a bicycle frame, as shown and described. 